Greatest Common Factor of 138, 306, 857, 861, 124

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 138, 306, 857, 861, 124 by common division method
• Greatest Common Factor of 138, 306, 857, 861, 124 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 138

List of positive integer factors of 138 that divides 138 without a remainder.

1,2,3,6,23,46,69,138

Factors of 306

List of positive integer factors of 306 that divides 306 without a remainder.

1,2,3,6,9,17,18,34,51,102,153,306

Factors of 857

List of positive integer factors of 857 that divides 857 without a remainder.

1,857

Factors of 861

List of positive integer factors of 861 that divides 861 without a remainder.

1,3,7,21,41,123,287,861

Factors of 124

List of positive integer factors of 124 that divides 124 without a remainder.

1,2,4,31,62,124

Greatest Common Factor

We found the factors 138,306,857,861,124 . The biggest common factor number is the GCF number.
So the greatest common factor 138,306,857,861,124 is 1.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 492, 177, 796, 286, 411
• GCF of 959, 983, 883, 812, 609
• GCF of 723, 401, 186, 575, 213
• GCF of 691, 252, 848, 383, 120
• GCF of 251, 866, 532, 180, 839

1. What is the GCF of 138, 306, 857, 861, 124?

Answer: GCF of 138, 306, 857, 861, 124 is 1.

2. How to Find the GCF of 138, 306, 857, 861, 124

Answer: Greatest Common Factor(GCF) of 138, 306, 857, 861, 124 = 1

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(138, 306, 857, 861, 124) = 1.